| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 15 |
3%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 217 |
43.6%
|
|
| 1 | 42 |
8.4%
|
|
| 2 | 42 |
8.4%
|
|
| 3 | 24 |
4.8%
|
|
| 4 | 25 |
5%
|
|
| 5 | 16 |
3.2%
|
|
| 6 | 8 |
1.6%
|
|
| 7 | 13 |
2.6%
|
|
| 8 | 9 |
1.8%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 13 |
2.6%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 4 |
0.8%
|
|
| 13 | 2 |
0.4%
|
|
| 15 | 6 |
1.2%
|
|
| 16 | 1 |
0.2%
|
|
| 17 | 1 |
0.2%
|
|
| 18 | 2 |
0.4%
|
|
| 20 | 8 |
1.6%
|
|
| 22 | 1 |
0.2%
|
|
| 25 | 7 |
1.4%
|
|
| 27 | 1 |
0.2%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 4 |
0.8%
|
|
| 35 | 5 |
1%
|
|
| 40 | 4 |
0.8%
|
|
| 50 | 1 |
0.2%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 2 |
0.4%
|
|
| 80 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|
|
| 100 | 1 |
0.2%
|
|
| 105 | 1 |
0.2%
|
|
| 120 | 2 |
0.4%
|
|
| 130 | 1 |
0.2%
|
|
| 150 | 2 |
0.4%
|
|
| 200 | 1 |
0.2%
|
|
| 300 | 2 |
0.4%
|
|
| 370 | 1 |
0.2%
|
|
| 740 | 1 |
0.2%
|
|
| 800 | 2 |
0.4%
|
|
| 875 | 1 |
0.2%
|
|
| 990 | 1 |
0.2%
|
|
| 1500 | 1 |
0.2%
|
|
| 1700 | 1 |
0.2%
|
|
| 2800 | 1 |
0.2%
|
|
| Sysmiss | 103 |